HackingHealthcareTechnologyHealthcareStolen CredentialsCapture Stored DataData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIIdentity (basic)Health (basic)PHIMediumContained

GlaxoSmithKline Group of Companies

bd_40c0a79b9ea39c92 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 21, 2024

Filed

May 24, 2024

To disclose

13 weeks

Affected

6,617state residents only

Linked

3 filings

Confidence

69%

Full breach record for GlaxoSmithKline Group of Companies →2 incidents on file

The Lash Group, LLC, a third-party service provider for GlaxoSmithKline, reported a cybersecurity incident where data was exfiltrated from its systems. The breach, discovered on February 21, 2024, affected personal and health information of approximately 6,617 Washington residents. The incident involved unauthorized access and data theft, prompting notifications to affected individuals and credit monitoring services.

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Washington clock⏱ WA AG >30d13 weeks discovery → filing

Incident timeline

discovery → filing · 13 weeks / 93 days

Feb 21, 2024

Discovered

May 24, 2024

Filed

vs. sector median

+1 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_32998f8e492da8482024-05-24Candidate
Indiana State AGbd_430d03658d2604792024-05-24Verified

Name: The Lash Group, LLC
norm: lash group

Name: GlaxoSmithKline Group of Companies
norm: glaxosmithkline group of companies
Industry: HealthcarellmTechnologyllm

Discovered: Feb 21, 2024
Materiality determined: —
Notification sent: —
Affected individuals: 6,617state-resident count only
Data types: PIIIdentity (basic)Health (basic)PHI
Data elements: NameDate of birthMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 0d
WA-stated discovery: Found after the fact
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 ChannelT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Attorney General
Initial access: valid_credentials

During the incident: Engaged third-party cyber experts to conduct an investigation
Took steps to strengthen the security of its systems
Notified the three nationwide credit reporting agencies
Sent notifications by mail to the affected individuals
Offered two years of credit monitoring to affected individuals
Changes made: Strengthened the security of its systems
Working with cybersecurity experts to reinforce systems and information security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(93 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGMay 24 · first

Indiana State AGMay 24 · first

Washington State AGMay 24 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA29247.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 24, 2024
Raw hash: 84f8e6b1d439cd01d6b244075f2561e27aba91ceb3e95eba7f28500789f21c3f

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityThe Lash Group, LLC

Victim entityGlaxoSmithKline Group of Companies

Incidentdiscovered Feb 21, 2024

Stated responseEngaged third-party cyber experts to conduct an investigation

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com